Bumper to Bumper Radio, the car guys on KTAR, 92.3 FM in Phoenix, AZ, broadcast every Saturday from 11:00 am to noon. On this show, Matt Allen of Virginia Auto Service in Phoenix, AZ talks about keeping cool this summer by keeping your air conditioning system in top shape. Also on this show:

• Is it possible to effectively charge your AC system on your own?
• How repair shops and manufacturers use dye to diagnose issues with your car's air conditioning.
• Following your manual, sticking with the same auto repair shop, asking questions, and more ways to maintain your car or truck!
• 2008 Lincoln: If I'm new to Arizona, what should I know to keep my AC healthy?
• 2012 Jeep Wrangler: How can I keep my Jeep from overheating at high speeds?
• Dodge Caravan: Why does the AC in my van take a few minutes to kick in after starting?
• 2018 Nissan Rogue: Is the estimate I received to replace my control arm bushings a fair price?
• 2015 GMC Sierra: I'm having issue with an aftermarket air flow sensor. Where should I turn next?

Cars talked about on this show are the 2008 Lincoln, 2012 Jeep Wrangler, Dodge Caravan, 2018 Nissan Rogue, and the 2015 GMC Sierra.